/* roulang page: index */
:root {
            --primary: #0F52BA;
            --accent: #FF5A1F;
            --sport-green: #00C48C;
            --bg-light: #F8FAFC;
        }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            color: #1E293B;
            background-color: var(--bg-light);
        }
        .text-shadow {
            text-shadow: 0 2px 4px rgba(0,0,0,0.6);
        }
        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.3s ease-out;
            max-height: 0;
            opacity: 0;
            overflow: hidden;
        }
        .accordion-content.open {
            max-height: 250px;
            opacity: 1;
        }